Tunable diode laser absorption spectroscopy based temperature measurement with a single diode laser near 1.4 μm

X Liu, Y Ma - Sensors, 2022 - mdpi.com
The rapidly changing and wide dynamic range of combustion temperature in scramjet
engines presents a major challenge to existing test techniques. Tunable diode laser …

Digital Twins for Condition and Fleet Monitoring of Aircraft: Towards More-Intelligent Electrified Aviation Systems

A Sadeghi, P Bellavista, W Song… - IEEE Access, 2024 - ieeexplore.ieee.org
The convergence of Information Technology (IT), Operational Technology (OT), and
Educational Technology (ET) has led to the emergence of the fourth industrial revolution. As …

Modelling and validation of a guided acoustic wave temperature monitoring system

L Yule, B Zaghari, N Harris, M Hill - Sensors, 2021 - mdpi.com
The computer modelling of condition monitoring sensors can aide in their development,
improve their performance, and allow for the analysis of sensor impact on component …

Panoramic scanning optical pyrometer for the temperature field measurement of turbine components

C Wang, A Qiu, Z Zhang, P Yu, J Jia… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
While the simultaneous scanning measurement and temperature field reconstruction of
multiple aero-engine turbine components are extremely important for engine condition …

Temperature monitoring of through-thickness temperature gradients in thermal barrier coatings using ultrasonic guided waves

L Yule, N Harris, M Hill, B Zaghari - Journal of Nondestructive Evaluation, 2024 - Springer
Ultrasonic guided waves offer a promising method of monitoring the online temperature of
plate-like structures in extreme environments, such as aero-engine nozzle guide vanes …

Combined thermographic phosphor and digital image correlation (TP+ DIC) for simultaneous temperature and strain measurements

EMC Jones, AR Jones, C Winters - Strain, 2022 - Wiley Online Library
Thermographic phosphors (TP) are combined with stereo digital image correlation (DIC) in a
novel diagnostic, TP+ DIC, to measure full‐field surface strains and temperatures …

Operational modal analysis of an axial compressor rotor and casing system for the online identification of a digital twin

M Amer, J Wallaschek, JR Seume - Applied Mechanics, 2022 - mdpi.com
Modal parameter identification can be a valuable tool in mechanical engineering to predict
vibrational behaviour and avoid machine damage during operation. Operational modal …

Laser ultrasonic scanning for detection of damage in copper pipelines using blind compressive sensing and the adjacent area difference coefficient

X Hong, L Huang, Y Liufu, Z Wang… - Measurement Science …, 2022 - iopscience.iop.org
Due to its good thermal conductivity and corrosion resistance, copper has become a
common material for transmission pipelines. It is necessary to detect the early signs of …

A novel laser-EMAT ultrasonic longitudinal wave resonance method for wall thickness measurement at high temperatures

W Chen, C Lu, X Li, W Shi, Y Zhou, Y Liu, S Zhang - Ultrasonics, 2024 - Elsevier
In this paper we propose a novel ultrasonic longitudinal wave resonance method for
measuring the thickness of metal walls using a laser-electromagnetic acoustic transducer …

Sliding Window Dynamic Time-Series Warping-Based Ultrasonic Guided Wave Temperature Compensation and Defect Monitoring Method for Turnout Rail Foot

Z Tang, J Ma, W Liu, P Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Temperature changes are a major challenge in outdoor guided wave structural health
monitoring of rails. Temperature variations greatly impact the waveform of guided wave …